Half of the students _____ made the same mistake.
A.has B.have C.is D.are
Either of the answers_____ right
A.are B.were C.is D.work
Twenty dollars_______ enough for the coat.
A.is B.are C.has D.have
More than one person ______ made the suggestion.
A.was B.has C.were D.have
A fork and knife_____ on the table.
A.is B.are
C.has been D.have been
Nobody but I ______the secret.
A.knows B.know
C.have know D.is known